Shacke 4 Silicone Wine Glass - Unbreakable Cups for Camping, Parties and Outdoors Made of Food Grade High Quality Silicone - BPA-free so your wine or any drinks for that matter will never taste of rubber Unbreakable Plastic Wine Glasses - Not only shatterproof, but basically unbreakable whatever activity you're doing Portable and Reusable - Best for travel since it can be squished to fit anywhere and easy to clean for reuse Unique and Fun - suitable in any occassions, celebrations and parties like birthdays, weddings, christmas Heat resistant - Up to 425 degrees, dishwasher safe